Package org.teiid.query.sql.lang

Class AbstractCompareCriteria

java.lang.Object

org.teiid.query.sql.lang.Criteria

org.teiid.query.sql.lang.PredicateCriteria

org.teiid.query.sql.lang.AbstractCompareCriteria

All Implemented Interfaces:

Cloneable, PredicateCriteria.Negatable, LanguageObject, Expression

Direct Known Subclasses:

CompareCriteria, SubqueryCompareCriteria

public abstract class AbstractCompareCriteria
extends PredicateCriteria
implements PredicateCriteria.Negatable

The common functionality of a CompareCriteria and a SubqueryCompareCriteria. The comparison operators are defined here.

Nested Class Summary

Nested classes/interfaces inherited from class org.teiid.query.sql.lang.PredicateCriteria

PredicateCriteria.Negatable

Nested classes/interfaces inherited from interface org.teiid.query.sql.LanguageObject

LanguageObject.Util

Field Summary

Fields

Modifier and Type	Field	Description
static int	EQ	Constant indicating the two operands are equal.
static int	GE	Constant indicating the first operand is greater than or equal to the second.
static int	GT	Constant indicating the first operand is greater than the second.
static int	LE	Constant indicating the first operand is less than or equal to the second.
static int	LT	Constant indicating the first operand is less than the second.
static int	NE	Constant indicating the two operands are not equal.

Constructor Summary

Constructors

Constructor	Description
AbstractCompareCriteria()

Method Summary

Modifier and Type	Method	Description
static int	getInverseOperator(int op)
Expression	getLeftExpression()	Get left expression.
int	getOperator()	Returns the operator.
static int	getOperator(String op)	Gets the operator constant given the string version
String	getOperatorAsString()	Returns the operator as a string.
void	negate()
void	setLeftExpression(Expression expression)	Set left expression.
void	setOperator(int operator)	Sets the operator.

Methods inherited from class org.teiid.query.sql.lang.PredicateCriteria

clone

Methods inherited from class org.teiid.query.sql.lang.Criteria

applyDemorgan, combineCriteria, combineCriteria, combineCriteria, getType, separateCriteriaByAnd, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.teiid.query.sql.LanguageObject

acceptVisitor

Field Detail

EQ

public static final int EQ

Constant indicating the two operands are equal.

See Also:

Constant Field Values

NE

public static final int NE

Constant indicating the two operands are not equal.

See Also:

Constant Field Values

LT

public static final int LT

Constant indicating the first operand is less than the second.

See Also:

Constant Field Values

GT

public static final int GT

Constant indicating the first operand is greater than the second.

See Also:

Constant Field Values

LE

public static final int LE

Constant indicating the first operand is less than or equal to the second.

See Also:

Constant Field Values

GE

public static final int GE

Constant indicating the first operand is greater than or equal to the second.

See Also:

Constant Field Values

Constructor Detail

AbstractCompareCriteria

public AbstractCompareCriteria()

Method Detail

getOperator

public int getOperator()

Returns the operator.

Returns:

The operator

setOperator

public void setOperator(int operator)

Sets the operator.

Parameters:

operator -

getOperator

public static int getOperator(String op)

Gets the operator constant given the string version

Parameters:

op - Operator, string form

Returns:

Operator, constant form

setLeftExpression

public void setLeftExpression(Expression expression)

Set left expression.

Parameters:

expression - Left expression

getLeftExpression

public Expression getLeftExpression()

Get left expression.

Returns:

Left expression

getOperatorAsString

public String getOperatorAsString()

Returns the operator as a string.

Returns:

String version of operator

negate

public void negate()

Specified by:

negate in interface PredicateCriteria.Negatable

getInverseOperator

public static int getInverseOperator(int op)